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Finding the Fourth Proportional to 104,812.98, 157,146.54 and 64,827.36

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Solution

The fourth proportional to 104,812.98, 157,146.54 and 64,827.36 is: 97,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,812.98 : 157,146.54 = 64,827.36 : x
  2. Step 2: Convert to fraction form
    104,812.98/157,146.54 = 64,827.36/x
  3. Step 3: Cross multiply
    104,812.98x = 157,146.54 × 64,827.36
  4. Step 4: Simplify right side
    104,812.98x = 10,187,395,321.33
  5. Step 5: Solve for x
    x = 10,187,395,321.33/104,812.98
  6. Step 6: Final answer
    x = 97,195.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.